DES: Valved Active carbon respirator, Acid resistant
*FFP2 *To resist acid vapor, such as H2S, SO2, H2, N2 and micron dus
*Special 4-ply pleated design, high filtration and static material, high efficient active carbon matrial to absorb
*Silicon valve equipped to resist the dust
*Effiently resists low tonic, filter normal odorous and micron dust, pollen.
